Migrate netconf to MD-SAL APIs
[netconf.git] / netconf / mdsal-netconf-notification / src / main / java / org / opendaylight / controller / config / yang / netconf / mdsal / notification / CapabilityChangeNotificationProducer.java
index 2fd48091e9d1934214f47c88062ff879afb050e3..a7c695cf5310fdee3f2631c0c8d51dc3355ff0a8 100644 (file)
@@ -5,7 +5,6 @@
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at http://www.eclipse.org/legal/epl-v10.html
  */
-
 package org.opendaylight.controller.config.yang.netconf.mdsal.notification;
 
 import com.google.common.collect.ImmutableList;
@@ -15,35 +14,45 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.Set;
 import javax.annotation.Nonnull;
-import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
-import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
+import org.opendaylight.mdsal.binding.api.DataBroker;
+import org.opendaylight.mdsal.binding.api.DataObjectModification;
+import org.opendaylight.mdsal.binding.api.DataTreeModification;
 import org.opendaylight.netconf.notifications.BaseNotificationPublisherRegistration;
+import org.opendaylight.netconf.notifications.NetconfNotificationCollector;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.NetconfState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Capabilities;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfCapabilityChangeBuilder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.changed.by.parms.ChangedByBuilder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.changed.by.parms.changed.by.server.or.user.ServerBuilder;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Listens on capabilities changes in data store and publishes them to base
  * netconf notification stream listener.
  */
-final class CapabilityChangeNotificationProducer extends OperationalDatastoreListener<Capabilities> {
+public final class CapabilityChangeNotificationProducer extends OperationalDatastoreListener<Capabilities>
+    implements AutoCloseable {
 
     private static final InstanceIdentifier<Capabilities> CAPABILITIES_INSTANCE_IDENTIFIER =
             InstanceIdentifier.create(NetconfState.class).child(Capabilities.class);
+    private static final Logger LOG = LoggerFactory.getLogger(CapabilityChangeNotificationProducer.class);
+
     private final BaseNotificationPublisherRegistration baseNotificationPublisherRegistration;
+    private final ListenerRegistration capabilityChangeListenerRegistration;
 
-    public CapabilityChangeNotificationProducer(BaseNotificationPublisherRegistration baseNotificationPublisherRegistration) {
+    public CapabilityChangeNotificationProducer(final NetconfNotificationCollector netconfNotificationCollector,
+                                                final DataBroker dataBroker) {
         super(CAPABILITIES_INSTANCE_IDENTIFIER);
-        this.baseNotificationPublisherRegistration = baseNotificationPublisherRegistration;
+        this.baseNotificationPublisherRegistration = netconfNotificationCollector.registerBaseNotificationPublisher();
+        this.capabilityChangeListenerRegistration = registerOnChanges(dataBroker);
     }
 
     @Override
-    public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<Capabilities>> changes) {
+    public void onDataTreeChanged(@Nonnull final Collection<DataTreeModification<Capabilities>> changes) {
         for (DataTreeModification<Capabilities> change : changes) {
             final DataObjectModification<Capabilities> rootNode = change.getRootNode();
             final DataObjectModification.ModificationType modificationType = rootNode.getModificationType();
@@ -51,8 +60,10 @@ final class CapabilityChangeNotificationProducer extends OperationalDatastoreLis
                 case WRITE: {
                     final Capabilities dataAfter = rootNode.getDataAfter();
                     final Capabilities dataBefore = rootNode.getDataBefore();
-                    final Set<Uri> before = dataBefore != null ? ImmutableSet.copyOf(dataBefore.getCapability()) : Collections.emptySet();
-                    final Set<Uri> after = dataAfter != null ? ImmutableSet.copyOf(dataAfter.getCapability()) : Collections.emptySet();
+                    final Set<Uri> before = dataBefore != null ? ImmutableSet.copyOf(dataBefore.getCapability()) :
+                            Collections.emptySet();
+                    final Set<Uri> after = dataAfter != null ? ImmutableSet.copyOf(dataAfter.getCapability()) :
+                            Collections.emptySet();
                     final Set<Uri> added = Sets.difference(after, before);
                     final Set<Uri> removed = Sets.difference(before, after);
                     publishNotification(added, removed);
@@ -66,18 +77,34 @@ final class CapabilityChangeNotificationProducer extends OperationalDatastoreLis
                     }
                     break;
                 }
+                default:
+                    LOG.debug("Received intentionally unhandled type: {}.", modificationType);
             }
         }
 
     }
 
-    private void publishNotification(Set<Uri> added, Set<Uri> removed) {
+    private void publishNotification(final Set<Uri> added, final Set<Uri> removed) {
         final NetconfCapabilityChangeBuilder netconfCapabilityChangeBuilder = new NetconfCapabilityChangeBuilder();
-        netconfCapabilityChangeBuilder.setChangedBy(new ChangedByBuilder().setServerOrUser(new ServerBuilder().setServer(true).build()).build());
+        netconfCapabilityChangeBuilder.setChangedBy(new ChangedByBuilder().setServerOrUser(new ServerBuilder()
+                .setServer(true).build()).build());
         netconfCapabilityChangeBuilder.setAddedCapability(ImmutableList.copyOf(added));
         netconfCapabilityChangeBuilder.setDeletedCapability(ImmutableList.copyOf(removed));
         // TODO modified should be computed ... but why ?
-        netconfCapabilityChangeBuilder.setModifiedCapability(Collections.<Uri>emptyList());
+        netconfCapabilityChangeBuilder.setModifiedCapability(Collections.emptyList());
         baseNotificationPublisherRegistration.onCapabilityChanged(netconfCapabilityChangeBuilder.build());
     }
+
+    /**
+     * Invoked by blueprint.
+     */
+    @Override
+    public void close() {
+        if (baseNotificationPublisherRegistration != null) {
+            baseNotificationPublisherRegistration.close();
+        }
+        if (capabilityChangeListenerRegistration != null) {
+            capabilityChangeListenerRegistration.close();
+        }
+    }
 }